Microprocessor Lab

Question 1

In the lab, where were all the traffic lights connected to? Give the pin too

Answer 1

Port 0 from pin 43 to pin 36

Question 2

What does the direction of the diodes signify in the circuit diagram for the traffic light system

Answer 2

Current can only go through them if the pins are held LOW

Question 3

From the data sheet of the microprocessor, what is the time of the machine cycles?

Answer 3

time of machine cycle = 12 / clock frequency

Question 4

How can a 0.1s delay be made into a 1s delay?

Answer 4

Call to the program 10 times using subroutines